I used to use ToDoist but then came to the realisation that it was too easy and unsatisfying to cross off a task even though you hadn’t done it. It disappeared forever out of sight, and it was pretty unmotivational. But this was my experience, I still do recommend you try it out for yourself.

But turns out using a Bullet Journal was waaaaaaaaaaaaay better, and my prejudices of using it had been

Note-taking awl day err’day: Evernote

This is a no-brainer. Evernote syncs on nearly all platforms as it takes in notes that you have full control over. I’ve used it for general brain farts I want to remember later on or plans for certain things as well as client notes.